List of top Questions asked in AP EAPCET

A tank is filled with benzene to a height of \(120~\text{mm}\). The apparent depth of a needle lying at the bottom of the tank, as seen through a microscope, is found to be \(80~\text{mm}\). The refractive index of benzene is

A resistor of \(50~\Omega\), an inductor and a capacitor are connected in series to an AC source of peak voltage \(200\sqrt{2}~\text{V}\).
When the capacitor alone is removed, current lags voltage by \(37^\circ\).
When the inductor alone is removed, current leads voltage by \(37^\circ\).
The power dissipated in the LCR circuit is:

The total number of electrons with magnetic quantum number \(m_l = 0\) in Fe\(^{3+}\) and Cr\(^+\) is respectively

Correct sequence of the development process in a plant cell

Assertion (A): Infectious agents can be passed through the filter.
Reason (R): This filterable agent is responsible for disease.

From the following choose the correct statement related to mutations

Match the following

List I		List II
A.	Gorgonia	i.	Marine leech
B.	Pontobdella	ii.	Sea Urchin
C.	Balanus	iii.	Sea Fan
D.	Echinus	iv.	Rock barnacle

Identify the correct option
Statement – I: The contraction of internal intercostals muscles and lateral abdominal muscles help in forced expiration.
Statement – II: The contraction of phrenic muscles increases the volume of the thoracic cavity in antero-posterior axis.

At 298 K, $ K_{\text{sp}} $ of Cu(OH)₂ is $ 2.2 \times 10^{-20} $. What is its solubility in $ 10^{-7} \, \text{M} \, \text{CuCl}_2 $ solution?

Find the correct matching
A) Carrot -- Flowers appear from the same point of peduncle
B) Cocos -- Flowers protected by the modified bract
C) Achyranthes -- Flowers appear in the varied lengths of pedicels
D) Cassia -- Flowers appear on the flattened peduncle

Choose the correct statement regarding ciliary movement

Choose the correct option for the matching:

Column – I	Column – II
A. Daphnia	i. Basking
B. Desert Lizard	ii. Blubber
C. Aquatic mammals	iii. Cyclomorphosis
D. Sea gulls	iv. Eliminates salts through nostrils

B-cells are stimulated to proliferate and differentiate into memory cells by

Choose the incorrect statements regarding Hardy–Weinberg equilibrium
A. There should be no migration
B. There should be differential reproductive success
C. Population should be large without random mating
D. Mutations should not occur

The ratio of the flux-linkage to current is

For the reaction $2A(g) + B(g) \rightarrow 2C(g)$, if $\Delta U^\circ = -8.80$ kJ mol$^{-1}$ and $\Delta S^\circ = -50$ J K$^{-1}$ mol$^{-1}$ at 300 K, the correct statement is:

The relation \( I = I_0 \cos^2 \theta \) is (I\( _0 \) - Intensity of incident light on the analyser, I - intensity of emergent light from the analyser, \( \theta \) - angle between plane of polarization and the axis of analyser)

Which of the following is not correct about Grignard reagent?

A freely falling body has attained a velocity of \( 2 \, \text{ms}^{-1} \). If it is opposed by air resistance, total distance before stopping is:

Two cells with same emf E but different internal resistances, $r_1$ and $r_2$ are connected in series to an external resistance R. If the potential difference across the first cell is zero then the value of R is

The number of extensive and intensive properties in the following list is respectively: Mass, temperature, pressure, enthalpy, heat capacity, internal energy, density

Hyaline cartilage occurs in

A. Sternal part of the ribs.
B. Pubic Symphysis.
C. Epiphyseal plate.
D. Vocal chords.
E. Epiglottis.
F. Endoskeleton of cyclostomes.

In microtubules, the peripheral doublets are interconnected by linkers called

n-type semiconductor is formed when germanium is doped with:

At T (K) and pressure P, the diffusion rate of an ideal gas is 120 mL min$^{-1}$. What is the time taken (in sec.) for 3000 mL of this gas for diffusion at the same temperature and pressure?